All-terrain vehicle



FIG. 1 is a front perspective view of an all-terrain vehicle showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Where included, the broken lines showing environment or structure are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for an all-terrain vehicle, as shown and described. 